| [the antiviral action of medicinal plant extracts in experimental tick-borne encephalitis]. | some mechanisms of inducing resistance to experimental infection with tick-borne encephalitis virus were studied in experimental mice treated with aqueous extracts of berries of vaccinium vitis-idaea, black currant, vaccinium myrtillus, and of greater celandine grass. the condition of the immune system organs (spleen and thymus) after treatment with the extracts under study was analysed. a correlation was found between the degree of developing resistance to infection, virus accumulation in the b ... | 1993 | 8236942 |
| evaluation of anti-inflammatory activity of some swedish medicinal plants. inhibition of prostaglandin biosynthesis and paf-induced exocytosis. | plants used in swedish traditional medicine to treat inflammatory diseases and/or wounds were selected, based on literature data, for evaluation of inhibitory activity on prostaglandin biosynthesis and platelet activating factor (paf)-induced exocytosis in vitro. fifty-nine water extracts from 52 different plants in 28 families were tested. a number of plants, e.g. calluna vulgaris, corylus avellana, geum urbanum, juniperus communis, polygonum aviculare, potentilla erecta and salix caprea were f ... | 1995 | 8583796 |
| effect on cell surface hydrophobicity and susceptibility of helicobacter pylori to medicinal plant extracts. | effects on aqueous extracts of medicinal plants on ten helicobacter pylori strains were studied by the salt aggregation test to determine the possibility to modulate their cell surface hydrophobicity and by an agar diffusion assay for detection of antimicrobial activity. it was established that aqueous extracts of bearberry and cowberry leaves enhance cell aggregation of all h. pylori strains tested by the salt aggregation test, and the extract of bearberry possessed a remarkable bacteriostatic ... | 1999 | 10079525 |
| soil to plant uptake of fallout 137cs by plants from boreal areas polluted by industrial emissions from smelters. | to study the impact of industrial pollution on the soil-to-plant uptake of fallout-radiocesium in a boreal forest ecosystem, four study sites were selected at distances of 7, 16, 21 and 28 km from the large copper-nickel smelter at monchegorsk on the kola peninsula (russia). at each site, soil and selected plant species were sampled from five plots and analysed separately for 137cs and 40k. the data show that the root-uptake of 137cs, as characterised by the median aggregated transfer-factor t(a ... | 1999 | 10507160 |
| antimicrobial activity of tannin components from vaccinium vitis-idaea l. | reactive oxygen species have been implicated as important pathological mediators in many clinical disorders, including periodontal disease. as a possible alternative for the treatment of periodontal disease, the antimicrobial activity of six tannins isolated from vaccinium vitis-idaea l., with confirmed antioxidant activity, were assayed by the agar dilution method against selected periodontal pathogens, actinobacillus actinomycetemcomitans, porphyromonas gingivalis and prevotella intermedia. th ... | 2001 | 11273014 |
| comparison of the element composition in several plant species and their substrate from a 1500000-km2 area in northern europe. | leaves of 9 different plant species (terrestrial moss represented by: hylocomium splendens and pleurozium schreberi; and 7 species of vascular plants: blueberry, vaccinium myrtillus; cowberry, vaccinium titis-idaea; crowberry, empetrum nigrum; birch, betula pubescens; willow, salix spp.; pine, pinus sylvestris and spruce, picea abies) have been collected from up to 9 catchments (size 14-50 km2) spread over a 1500000 km2 area in northern europe. soil samples were taken of the o-horizon and of the ... | 2001 | 11669279 |
| influence of extreme pollution on the inorganic chemical composition of some plants. | leaves of nine different plant species (terrestrial moss: hylocomium splendens and pleurozium schreberi, blueberry: vaccinium myrtillus, cowberry: vaccinium vitis-idaea, crowberry: empetrum nigrum, birch: betula pubescens, willow: salix spp., pine: pinus sylvestris, and spruce: picea abies) have been collected from up to nine catchments (size 14-50 km2) spread over a 1,500,000 km2 area in northern europe. additional soil samples were taken from the o-horizon and the c-horizon at each plant sampl ... | 2001 | 11706797 |
| effect of industrial pollution on the distribution of 137cs in soil and the soil-to-plant transfer in a pine forest in sw finland. | the objective of this study was to evaluate the effect of industrial pollution on the distribution of radiocaesium in soil and on its transfer from soil to plants. the study was started in september 2000 in four scots pine stands located at distances of 0.5, 2, 4 and 8 km along a transect running se from the cu-ni smelter at harjavalta in sw finland. annual emissions from the smelter in 1990 were 80 t of cu, 31 t of ni and 9000 t of so(2), and in 1999 these were 5.9, 0.8 and 3400 t, respectively ... | 2003 | 12606162 |
| heavy metals (cr, zn, ni, v, pb, cd) in lingonberries (vaccinium vitis-idaea l.) and assessment of human exposure in two industrial areas in the kemi-tornio region, northern finland. | the concentration of cr, zn, ni, v, pb, and cd were measured in lingonberries (vaccinium vitis-idaea l.) sampled at 23 sampling sites around a ferrochrome and stainless steel works and opencast chromium mine in the kemi-tornio region, northern finland. two different microwave-assisted digestion procedures were used for sample digestion, i.e., a mixture of hno3 + h2o2 and a mixture of hno3 + h2o2 + hcl + hf + h3bo3. according to the results, the digestion procedure with the mixture of hno3 + h2o2 ... | 2005 | 15696341 |
| antioxidant activity in lingonberries (vaccinium vitis-idaea l.) and its inhibitory effect on activator protein-1, nuclear factor-kappab, and mitogen-activated protein kinases activation. | lingonberry has been shown to contain high antioxidant activity. fruits from different cultivars of lingonberry (vaccinium vitis-idaea l.) were evaluated for fruit quality, antioxidant activity, and anthocyanin and phenolic contents. the fruit soluble solids, titratable acids, antioxidant capacity, and anthocyanin and phenolic contents varied with cultivars. lingonberries contain potent free radical scavenging activities for dpph*, roo*, *oh, and o2*- radicals. pretreatment of jb6 p+ mouse epide ... | 2005 | 15826073 |
| analysis and bioactive evaluation of the compounds absorbed into blood after oral administration of the extracts of vaccinium vitis-idaea in rat. | in order to screen the active constituents of vaccinium vitis-idaea l., the compounds absorbed into the rat blood after oral administration of ethanol extract of the stems and leaves of v. vitis-idaea (eev) have been analyzed. two compounds were detected in the plasma and identified as arbutin and fraxin, which are originally existed in the crude drug. furthermore, the pharmacological effects of the two compounds involving eev for curing acute and chronic respiratory tract infection were tested. ... | 2005 | 15930756 |
| cutin composition of five finnish berries. | the raw cutin (i.e., extractive-free isolated cuticular membrane) fraction from finnish berries, sea buckthorn (hippophaë rhamnoides), black currant (ribes nigrum), cranberry (vaccinium oxycoccos), lingonberry (vaccinium vitis-idaea), and bilberry (vaccinium myrtillus), was depolymerized by naome-catalyzed methanolysis. the composition of cutin monomers was determined by gc-(ei)ms analysis either as methyl esters or as tmsi esters, with oh groups derivatized to tmsi ethers. there was a notable d ... | 2006 | 16417304 |
| characterization of phenolic compounds from lingonberry (vaccinium vitis-idaea). | phenolic compounds from the lingonberry (vaccinium vitis-idaea) were identified using lc-tofms, lc-ms/ms, and nmr experiments. the compounds were extracted from the plant material using methanol in an ultrasonicator and further isolated and purified using solid-phase extraction and preparative liquid chromatographic techniques. a total of 28 phenolic compounds were at least tentatively identified, including flavonols, anthocyanidins, catechins and their glycosides, and different caffeoyl and fer ... | 2006 | 17177509 |
| distribution of triterpene acids and their derivatives in organs of cowberry (vaccinium vitis-idaea l.) plant. | wild berries of the genus vaccinium have become increasingly popular in human health promotion due to their nutritional and medicinal properties. some striking divergence of opinion about the content of triterpenoids in these plants still exists, meanwhile, this very large class of natural isoprenoids exhibits a wide range of biological activities and hence is of growing research interest. an investigation of triterpenoidal constituents from the cowberry (vaccinium vitis-idaea l.) plant led to t ... | 2007 | 17968438 |
| berry fruits: compositional elements, biochemical activities, and the impact of their intake on human health, performance, and disease. | an overwhelming body of research has now firmly established that the dietary intake of berry fruits has a positive and profound impact on human health, performance, and disease. berry fruits, which are commercially cultivated and commonly consumed in fresh and processed forms in north america, include blackberry ( rubus spp.), black raspberry ( rubus occidentalis), blueberry ( vaccinium corymbosum), cranberry (i.e., the american cranberry, vaccinium macrocarpon, distinct from the european cranbe ... | 2008 | 18211023 |
| berries as chemopreventive dietary constituents--a mechanistic approach with the apcmin/+ mouse. | berries contain a number of compounds that are proposed to have anticarcinogenic properties. we wanted to see if pure ellagic acid, natural ellagitannins and three wild berries have any effect on the adenoma formation in apc- mutated min/+ mice. min/+ mice were fed high-fat ain93-g diets containing 10% (w/w) freeze-dried bilberry (vaccinium myrtillus), lingonberry (vaccinium vitis-idaea), cloudberry (rubus chamaemorus), cloudberry seeds or cloudberry pulp or pure ellagic acid at 1564 mg/kg for 1 ... | 2008 | 18296318 |
| mycorrhizal fungi supply nitrogen to host plants in arctic tundra and boreal forests: 15n is the key signal. | symbiotic fungi's role in providing nitrogen to host plants is well-studied in tundra at toolik lake, alaska, but little-studied in the adjoining boreal forest ecosystem. along a 570 km north-south transect from the yukon river to the north slope of alaska, the 15n content was strongly reduced in ectomycorrhizal and ericoid mycorrhizal plants including betula, salix, picea mariana (p. mill.) b.s.p., picea glauca moench (voss), and ericaceous plants. compared with the 15n content of soil, the fol ... | 2009 | 19190704 |
| reciprocal carbon and nitrogen transfer between an ericaceous dwarf shrub and fungi isolated from piceirhiza bicolorata ectomycorrhizas. | * the overstorey coniferous trees and understorey ericaceous dwarf shrubs of northern temperate and boreal forests have previously been considered to form mycorrhizas with taxonomically and functionally distinct groups of fungi. * here, we tested the hypothesis that meliniomyces variabilis and meliniomyces bicolor, isolated from piceirhiza bicolorata ectomycorrhizas of pine, can function as ericoid mycorrhizal symbionts with vaccinium vitis-idaea. we used split-compartment microcosms to measure ... | 2009 | 19320835 |
| evaluation of the antidiabetic potential of selected medicinal plant extracts from the canadian boreal forest used to treat symptoms of diabetes: part ii. | among the cree of northern quebec, the disproportionately high rate of diabetic complications is largely due to the cultural inadequacy of modern therapies for type 2 diabetes. to establish culturally adapted antidiabetic treatments, our team identified several candidate plant species used by the cree to treat symptoms of diabetes. an initial study focused on 8 species and revealed that most possess significant in vitro antidiabetic activity. the purpose of the present study was to assess a furt ... | 2009 | 19526043 |
| distribution of 210pb and 210po concentrations in wild berries and mushrooms in boreal forest ecosystems. | the activity concentrations and distribution of 210pb and 210po in wild berries and edible mushrooms were investigated in finnish forests. the main study areas were located in scots pine (pinus sylvestris l.) forests in southern and northern finland. the activity concentrations of 210pb and 210po in blueberry (vaccinium myrtillus l.) and lingonberry (vaccinium vitis-idaea l.) samples decreased in the order: stems>leaves>berries (i.e. fruits). the activity ratios of 210po/210pb in the wild berry ... | 2009 | 19800659 |
| activity of scottish plant, lichen and fungal endophyte extracts against mycobacterium aurum and mycobacterium tuberculosis. | with tuberculosis the leading bacterial killer worldwide and other mycobacterial diseases on the increase, the search for new antimycobacterial agents is timely. in this study, extracts from plants, lichens and fungal endophytes of scottish provenance were screened for activity against mycobacterium aurum and m. tuberculosis h(37)rv. the best activity against m. aurum was observed for extracts of juniperus communis roots and cladonia arbuscula (mic = 4 microg/ml), and a fungal endophyte isolated ... | 2010 | 19827032 |
| stimulation of amp-activated protein kinase and enhancement of basal glucose uptake in muscle cells by quercetin and quercetin glycosides, active principles of the antidiabetic medicinal plant vaccinium vitis-idaea. | several medicinal plants that stimulate glucose uptake in skeletal muscle cells were identified from among species used by the cree of eeyou istchee of northern quebec to treat symptoms of diabetes. this study aimed to elucidate the mechanism of action of one of these products, the berries of vaccinium vitis idaea, as well as to isolate and identify its active constituents using a classical bioassay-guided fractionation approach. western immunoblot analysis in c2c12 muscle cells revealed that th ... | 2010 | 20087853 |
| new insights into the mycorrhizal rhizoscyphus ericae aggregate: spatial structure and co-colonization of ectomycorrhizal and ericoid roots. | • fungi in the rhizoscyphus ericae aggregate have been recovered from the roots of co-occurring ericaceous shrubs and ectomycorrhizal trees. however, to date, there is no evidence that the same individual genotypes colonize both hosts, and no information on the extent of the mycelial networks that might form. • using spatially explicit core sampling, we isolated fungi from neighbouring pinus sylvestris (ectomycorrhizal) and vaccinium vitis-idaea (ericoid mycorrhizal) roots and applied intersimpl ... | 2010 | 20618909 |
| [nefroprotective influence of the comarum palustre l. on chronic experimental glomerulonephritis]. | course introduction of a cowberry dry extract comarum palustre l. on a background of experimental chronic glomerulonephritis renders expressed nephroprotective influence described by normalization of parameters of a kidneys functional condition, blood lipid spectrum and immune status, reduction of expressiveness of destructive changes in nephrones, inhibition of free-radical processes and increase of organism antioxidative protection. | 2010 | 20731125 |
| long-term effects of single potassium fertilization on 137cs levels in plants and fungi in a boreal forest ecosystem. | we examined the long-term effects of a single application of potassium (k) fertilizer (100 kg k ha(-1)) in 1992 on (137)cs uptake in a forest ecosystem in central sweden. (137)cs activity concentrations were determined in three low-growing perennial shrubs, heather (calluna vulgaris), lingonberry (vaccinium vitis-idaea) and bilberry (vaccinium myrtillus), and in four wild fungal species (cortinarius semisanguineus, lactarius rufus, rozites caperata and suillus variegatus). uptake of (137)cs by p ... | 2010 | 21144627 |
| ericaceous dwarf shrubs affect ectomycorrhizal fungal community of the invasive pinus strobus and native pinus sylvestris in a pot experiment. | this study aimed to elucidate the relationship between ericaceous understorey shrubs and the diversity and abundance of ectomycorrhizal fungi (ecmf) associated with the invasive pinus strobus and native pinus sylvestris. seedlings of both pines were grown in mesocosms and subjected to three treatments simulating different forest microhabitats: (a) grown in isolation and grown with (b) vaccinium myrtillus or (c) vaccinium vitis-idaea. ericaceous plants did not act as a species pool of pine mycobi ... | 2010 | 21161550 |
| lingonberry (vaccinium vitis-idaea) and european cranberry (vaccinium microcarpon) proanthocyanidins: isolation, identification, and bioactivities. | european, small-fruited cranberries (vaccinium microcarpon) and lingonberries (vaccinium vitis-idaea) were characterized for their phenolic compounds and tested for antioxidant, antimicrobial, antiadhesive, and antiinflammatory effects. the main phenolic compounds in both lingonberries and cranberries were proanthocyanidins comprising 63-71% of the total phenolic content, but anthocyanins, hydroxycinnamic acids, hydroxybenzoic acids, and flavonols were also found. proanthocyanidins are polymeric ... | 2011 | 21370878 |
| food grade lingonberry extract: polyphenolic composition and in vivo protective effect against oxidative stress. | fractionation of the polyphenols constituting a food grade lingonberry extract (vaccinium vitis-idaea) highlighted a composition more complex than described until now in the berry. procyanidins b1, b2, and a2 were identified by uplc/esi-ms(2) along with the presence of other flavanol oligomers. processing induced the release of large amounts of aglycones for ferulic acid, p-coumaric acid, and quercetin. the described anthocyanic composition of lingonberry was completed with hexoside derivatives ... | 2011 | 21375302 |
| diverse helotiales associated with the roots of three species of arctic ericaceae provide no evidence for host specificity. | ericoid mycorrhizal fungi differ in their abilities to use nitrogen sources and may be integral to maintaining fungal and plant diversity in ecosystems in which ericaceae occur. in this study, we tested whether the fungal communities differ among three species of co-occurring ericaceae. fungi colonizing cassiope tetragona, empetrum nigrum and vaccinium vitis-idaea roots in the arctic tundra were characterized via culture-dependent and culture-independent techniques. the cultured fungi were teste ... | 2011 | 21463329 |
| Decreased frost hardiness of Vaccinium vitis-idaea in reponse to UV-A radiation. | The aim was to investigate plant frost hardiness responses to UV radiation, since the few results reported are largely contradictory. It was hypothesized that functional adaptation of life forms could explain these contradictions. Dwarf shrubs and tree seedlings, representing both evergreen and deciduous forms, were tested (Vaccinium vitis-idaea, V. myrtillus, Pinus sylvestris, Betula pubescens, and its red form f. rubra). The research was performed in Sodankylä, Northern Finland (67ºN), with en ... | 2011 | 22182287 |
| the effect of ecological factors on the accumulation of biologically active substances in cowberry. | | 2014 | 4668844 |
| bears and berries: species-specific selective foraging on a patchily distributed food resource in a human-altered landscape. | when animals are faced with extraordinary energy-consuming events, like hibernation, finding abundant, energy-rich food resources becomes particularly important. the profitability of food resources can vary spatially, depending on occurrence, quality, and local abundance. here, we used the brown bear (ursus arctos) as a model species to quantify selective foraging on berries in different habitats during hyperphagia in autumn prior to hibernation. during the peak berry season in august and septem ... | 2016 | 27217612 |
| characterization of in vitro antifungal activities of small and american cranberry (vaccinium oxycoccos l. and v. macrocarpon aiton) and lingonberry (vaccinium vitis-idaea l.) concentrates in sugar reduced fruit spreads. | in this study, cranberry and lingonberry concentrates were added to commercial sugar-reduced fruit spreads (raspberry-aloe vera, strawberry-guava, and strawberry-lime), and tested for their antifungal activities. selected strains of the species absidia glauca, penicillium brevicompactum, saccharomyces cerevisiae and zygosaccharomyces bailii, as well as xerophilic environmental isolates of the genera penicillium and eurotium were used for challenge testing. initially, varying concentrations of sy ... | 2015 | 25868124 |
| in vitro antiviral activity of a series of wild berry fruit extracts against representatives of picorna-, orthomyxo- and paramyxoviridae. | wild berry species are known to exhibit a wide range of pharmacological activities. they have long been traditionally applied for their antiseptic, antimicrobial, cardioprotective and antioxidant properties. the aim of the present study is to reveal the potential for selective antiviral activity of total methanol extracts, as well as that of the anthocyanins and the non-anthocyanins from the following wild berries picked in bulgaria: strawberry (fragaria vesca l.) and raspberry (rubus idaeus l.) ... | 2014 | 24660461 |
| medicinal plant extracts can variously modify biofilm formation in escherichia coli. | low concentrations of black tea and water extracts from medicinal plants arctostaphylos uva-ursi, vaccinium vitis-idaea, tilia cordata, betula pendula and zea mays stimulated biofilm formation in escherichia coli bw25113 up to three times. similar effect was observed for tannic acid and low concentrations of quercetin. in contrast, the extract from urtica dioica reduced biofilm production. pretreatment with plant extracts variously modified antibiotic effects on specific biofilm formation (sbf). ... | 2014 | 24500005 |
| prevention of urinary tract infections with vaccinium products. | cranberries exert a dose-dependent inhibition of the adherence of e. coli fimbriae to uroepithelial cells. this was demonstrated in vitro but also ex vivo in vitro with urine from cranberry consumers. the active principle has not been identified in detail but type-a proanthocyanidins (pac) play an important role in the mechanism of action. since the three species, american cranberry (vaccinium macrocarpon), european cranberry (vaccinium oxycoccus) and/or lingonberry (vaccinium vitis-idaea), have ... | 2014 | 23922238 |
| medicinal plant extracts variously modulate susceptibility of escherichia coli to different antibiotics. | antioxidant activity of green and black tea and extracts of medicinal plants and their ability to modulate antibiotic susceptibility in escherichia coli were studied. among a number of extracts tested the maximal capacity to scavenge dpph radicals and chelate iron in chemical tests was found in green and black tea, arctostaphylos uva-ursi and vaccinium vitis-idaea. these extracts contained high level of polyphenols and in aerobic conditions exhibited prooxidant features, producing h2o2 and induc ... | 2014 | 23916388 |
| medicinal plants extracts affect virulence factors expression and biofilm formation by the uropathogenic escherichia coli. | medicinal plants are an important source for the therapeutic remedies of various diseases including urinary tract infections. this prompted us to perform research in this area. we decided to focus on medicinal plants species used in urinary tract infections prevention. the aim of our study was to determine the influence of betula pendula, equisetum arvense, herniaria glabra, galium odoratum, urtica dioica, and vaccinium vitis-idaea extracts on bacterial survival and virulence factors involved in ... | 2012 | 22915095 |
| the antibiofilm activity of lingonberry flavonoids against oral pathogens is a case connected to residual complexity. | the antimicrobial activity of lingonberry (vaccinium vitis-idaea l.) was evaluated against two oral pathogens, streptococcus mutans and fusobacterium nucleatum. long-bed gel permeation chromatography (gpc; sephadex lh-20) yielded purified flavonoids, with the most efficient minimum inhibitory concentrations (mics) against planktonic cells in the anthocyanin and procyanidin primary fractions against f. nucleatum (63-125 μg/ml) and in the procyanidin rich fraction against s. mutans (16-31 μg/ml). ... | 2014 | 24879903 |
| large brood sizes of pied flycatcher, sparrowhawk and goshawk in peak microtine years: support for the mast depression hypothesis. | the mast depression hypothesis (mdh) proposes that cyclic population fluctuations of microtines and other herbivores are an effect of cyclic seed cropping of plants. this is because high seed crops, termed masts, are produced at the expense of chemical defence against herbivores. it has generally been assumed that bird-hunting raptors produce high numbers of offspring when microtine prey are abundant because of reduced competition from generalist predators. however, this may also be caused by hi ... | 1998 | 28307513 |
| a c-repeat binding factor transcriptional activator (cbf/dreb1) from european bilberry (vaccinium myrtillus) induces freezing tolerance when expressed in arabidopsis thaliana. | freezing stress affects all plants from temperate zones to the poles. global climate change means such freezing events are becoming less predictable. this in turn reduces the ability of plants to predict the approaching low temperatures and cold acclimate. this has consequences for crop yields and distribution of wild plant species. c-repeat binding factors (cbfs) are transcription factors previously shown to play a vital role in the acclimation process of arabidopsis thaliana, controlling the e ... | 2013 | 23349799 |
| plant species dominance shifts across erosion edge-meadow transects in the swiss alps. | while exerting no obvious function under "average" environmental conditions, the presence of certain plant specialists becomes crucial in the event of a complete failure of a community due to severe disturbance such as landslides. plants capable of growing at erosion edges may act as potential edge-engineers by coping with unstable ground and stabilizing the soil with their roots. we hypothesized that life conditions at erosion edges select for a particular set of specialists or species with spe ... | 2013 | 23337968 |
| [experimental phytotherapy of tick-borne encephalitis]. | the virucidal effect of aqueous extracts of a number of plants was studied in tick-borne encephalitis (tbe) virus titration in spev cell culture in microplates, as well as their capacity to induce resistance in virus-infected mice. the aqueous extracts of ledum, motherwort, celandine, black currant, cowberry and bilberry inactivated tbe virus practically completely, and those of st. john's wort, pot marigold, tansy, chamomile, milfoil, and inula only partially. studied in vivo, the extracts of m ... | 2016 | 1858353 |
| ericoid roots and mycospheres govern plant-specific bacterial communities in boreal forest humus. | in this study, the bacterial populations of roots and mycospheres of the boreal pine forest ericoid plants, heather (calluna vulgaris), bilberry (vaccinium myrtillus), and lingonberry (vaccinium vitis-idaea), were studied by qpcr and next-generation sequencing (ngs). all bacterial communities of mycosphere soils differed from soils uncolonized by mycorrhizal mycelia. colonization by mycorrhizal hyphae increased the total number of bacterial 16s ribosomal dna (rdna) gene copies in the humus but d ... | 2017 | 28025668 |
| phylogeny and taxonomy of root-inhabiting cryptosporiopsis species, and c. rhizophila sp. nov., a fungus inhabiting roots of several ericaceae. | three cryptosporiopsis species have thus far been isolated from roots of woody plants. a fourth species, which was recently isolated from roots of calluna vulgaris, erica tetralix, vaccinium vitis-idaea, and v. myrtillus in the netherlands, is described here as new. sporulation on the natural substratum has not been observed and the morphological description of this fungus is therefore based on characters expressed on oatmeal and malt extract agars. the phenotypic characters indicated a close re ... | 2003 | 12951795 |
| structure of the microbial communities in coniferous forest soils in relation to site fertility and stand development stage. | > abstract the structure, biomass, and activity of the microbial community in the humus layer of boreal coniferous forest stands of different fertility were studied. the scots pine dominated ct (calluna vulgaris type) represented the lowest fertility, while vt (vaccinium vitis-idaéa type), mt (vaccinium myrtillus type), and omt (oxalis acetocella-vaccinium myrtillus type) following this order, were more fertile types. the microbial community was studied more closely by sampling a succession grad ... | 1999 | 10441709 |
| an evaluation of ratio systems in radioecological studies. | replicate samples of soil, juncus squarrosus and calluna vulgaris were taken within a grid system on an organic peatland soil site in ireland. a similar sampling survey was carried out on an organic rich forest soil site in sweden, where vaccinium myrtillus and vaccinium vitis-idaea with corresponding soil samples were taken within a picea abies stand. the data were used to investigate the relationship between soil and plant 137cs content and to examine the validity of using ratios to describe t ... | 1996 | 8567289 |
| from salmon pink to blue natural sensitizers for solar cells: canna indica l., salvia splendens, cowberry and solanum nigrum l. | study on dye-sensitized solar cells (dsscs) with extracts of canna indica l., salvia splendens, solanum nigrum l. as sensitizers is firstly reported in this paper. dsscs were assembled by using natural dyes extracted from c. indica l., s. splendens, cowberry and s. nigrum l. as sensitizers. the energy conversion efficiency of the cells sensitized with dyes of c. indica l., s. splendens, cowberry and s. nigrum l. was 0.29%, 0.26%, 0.13% and 0.31%, respectively. a novel technique was taken to fabr ... | 2009 | 19762275 |
| partitioning of soil phosphorus regulates competition between vaccinium vitis-idaea and deschampsia cespitosa. | it has been hypothesized that the wide range of forms and complexities of phosphorus (p) in soil may result in resource partitioning that contributes to the maintenance of plant species diversity. here, we test whether the graminoid, deschampsia cespitosa, and the ericaceous shrub, vaccinium vitis-idaea, which often coexist, display preferences in utilization of p forms, and differ in their production of extracellular p-degrading enzymes. we provided plants with no additional p, or p forms with ... | 2013 | 24324874 |
| micropropagation of vaccinium sp. by in vitro axillary shoot proliferation. | the vaccinium genus contains several valuable fruit and ornamental species, among others: highbush blueberry (vaccinium × corymbosum l.), cranberry (vaccinium macrocarpon ait.), and lingonberry (vaccinium vitis-idaea l.). in some most popular and valuable cultivars, the conventional propagation methods, exploiting hard or soft wood cuttings, are inefficient. the demand for nursery plants could be fulfilled only by micropropagation. in principle cultivars are propagated in vitro through similar t ... | 2013 | 23179690 |
| [data on the anti-gonadotropic effect of periwinkle leaf extracts (vaccinium vitis idaea l.) in the male rana esculenta]. | | 1965 | 14342420 |
| 1h nmr-based metabolic fingerprinting of urine metabolites after consumption of lingonberries (vaccinium vitis-idaea) with a high-fat meal. | the use of nmr metabolomics in clinical trials is growing; however, reports of postprandial experiments in humans are scarce. the present study investigated whether consumption of lingonberries as a supplement to an oil-rich meal modifies the postprandial fingerprints of human urine. urine samples were analysed by (1)h nmr, and untargeted multivariate analysis was applied to the data for comprehensive fingerprinting. a clear separation of postprandial lingonberry meal samples was revealed. to ev ... | 2013 | 23411204 |
| characterization of phenolic profiles of northern european berries by capillary electrophoresis and determination of their antioxidant activity. | berries are known to contain phenolic substances (i.e., flavonoids and phenolic acids), which comprise two large and heterogeneous groups of biologically active nonnutrients. this investigation evaluated the content and profile of the phenolic compounds present in six different berries found in northern europe. the latter included bilberry (vaccinium myrtillus), cowberry (vaccinium vitis-idaea), cranberry (vaccinium oxycoccus), strawberry (fragaria ananassa), black currant (ribes nigrum), and re ... | 2005 | 16076138 |
| postprandial glycaemic response to berry nectars containing inverted sucrose. | sucrose is commonly used for sweetening berry products. during processing and storage of berry products containing added sucrose, sucrose is inverted to glucose and fructose. we have previously shown that postprandial glycaemic response induced by intact sucrose is attenuated when sucrose is consumed with berries rich in polyphenols. it is not known how inversion of sucrose affects glycaemic response. we investigated postprandial glycaemic and insulinaemic responses to blackcurrant (ribes nigrum ... | 2017 | 28620479 |
| children's hedonic response to berry products: effect of chemical composition of berries and htas2r38 genotype on liking. | the hedonic response of 104 healthy children, recruited from day-care centres and schools, to 12 different berry products with varying content of added sugar was studied. the berries used as ingredients were blackcurrant (ribes nigrum), sea buckthorn (hippophaë rhamnoides), bilberry (vaccinium myrtillus), and lingonberry (vaccinium vitis-idaea). another aim of the study was to study the effects of the chemical composition of berries as well as children's htas2r38 taste receptor genotypes on liki ... | 2012 | 22953845 |
| postprandial glucose, insulin, and free fatty acid responses to sucrose consumed with blackcurrants and lingonberries in healthy women. | sucrose induces high postprandial glucose and insulin responses. in vitro studies suggest that berries may reduce the digestion and absorption of sucrose and thereby suppress postprandial glycemia, but the evidence in humans is limited. | 2012 | 22854401 |
| inhibition of protein and lipid oxidation in liposomes by berry phenolics. | the antioxidant activity of berry phenolics (at concentrations of 1.4, 4.2, and 8.4 mug of purified extracts/ml of liposome sample) such as anthocyanins, ellagitannins, and proanthocyanidins from raspberry (rubus idaeus), bilberry (vaccinium myrtillus), lingonberry (vaccinium vitis-idaea), and black currant (ribes nigrum) was investigated in a lactalbumin-liposome system. the extent of protein oxidation was measured by determining the loss of tryptophan fluorescence and formation of protein carb ... | 2004 | 15563229 |
| biochemical properties and neuroprotective effects of compounds in various species of berries. | several species of berries, such as blueberries (vaccinium angustifolium) and lingonberries (vaccinium vitis-idaea l.), have attracted much scientific attention in recent years, especially due to their reported antioxidant and anti-inflammatory properties. berries, as with other types of plants, have developed metabolic mechanisms to survive various environmental stresses, some of which involve reactive oxygen species. in addition, the fruits and leaves of berries have high amounts of polyphenol ... | 2017 | 29271934 |
| comparative analysis of phenolic content and profile, antioxidant capacity, and anti-inflammatory bioactivity in wild alaskan and commercial vaccinium berries. | wild alaskan vaccinium berries, v. vitis-idaea (lowbush cranberry) and v. uliginosum (bog blueberry), were investigated in parallel with their commercial berry counterparts, v. macrocarpon (cranberry) and v. angustifolium (lowbush blueberry). lowbush cranberry accumulated about twice the total phenolics (624.4 mg/100 g fw) and proanthocyanidins (278.8 mg/100 g) content as commercial cranberries, but a-type proanthocyanidins were more prevalent in the latter. bog blueberry anthocyanin and total p ... | 2014 | 24219831 |
| rapid screening of anthocyanins in berry samples by surfactant-mediated matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. | surfactant-mediated matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (maldi-tof-ms) has been used for the identification of flavonoids from three berry extracts: lowbush blueberry (vaccinium angustifolium), lingonberry (vaccinium vitis-idaea), and blackberry (rubus armeniacus). the addition of the surfactant led to suppression of matrix ions from both alpha-cyano-4-hydroxycinnamic acid (chca) and 2',4',6'-trihydroxyacetophenone (thap). this is the first case of this m ... | 2008 | 18072192 |
| resveratrol, pterostilbene, and piceatannol in vaccinium berries. | a study was conducted to determine the presence of resveratrol, pterostilbene, and piceatannol in vaccinium berries. samples representing selections and cultivars of 10 species from mississippi, north carolina, oregon, and canada were analyzed by gas chromatography/mass spectrometry. resveratrol was found in vaccinium angustifolium (lowbush blueberry), vaccinium arboretum (sparkleberry), vaccinium ashei (rabbiteye blueberry), vaccinium corymbosum (highbush blueberry), vaccinium elliottii (elliot ... | 2004 | 15264904 |
| oxygen radical absorbing capacity of phenolics in blueberries, cranberries, chokeberries, and lingonberries. | the antioxidant activity of phenolics in fruits of blueberry (vaccinium corymbosum cv. sierra), cranberry (vaccinium macrocarpon cv. ben lear), wild chokeberry (aronia melanocarpa), and lingonberry (vaccinium vitis-idaea cv. amberland) was determined in this study. the phenolic constituents and contents among the different berries varied considerably. anthocyanins were found to be the main components in all these berries. chlorogenic acid in blueberry, quercetin glycosides in cranberry and lingo ... | 2003 | 12517117 |
| comparing procyanidins in selected vaccinium species by uhplc-ms(2) with regard to authenticity and health effects. | cranberry procyanidins have been associated with an effect against urinary tract infections (uti) for decades, and european health claims are requested. this study compares the procyanidin profiles and concentrations of american cranberry ( vaccinium macrocarpon ait.), european cranberry ( vaccinium oxycoccus l.), and lingonberry ( vaccinium vitis-idaea l.) analyzed using ultrahigh-performance liquid chromatoraphy coupled to a triple-quadrupole mass spectrometer with electrospray interface (uhpl ... | 2012 | 22931094 |
| comparisons of large (vaccinium macrocarpon ait.) and small (vaccinium oxycoccos l., vaccinium vitis-idaea l.) cranberry in british columbia by phytochemical determination, antioxidant potential, and metabolomic profiling with chemometric analysis. | there is a long history of use and modern commercial importance of large and small cranberries in north america. the central objective of the current research was to characterize and compare the chemical composition of 2 west coast small cranberry species traditionally used (vaccinium oxycoccos l. and vaccinium vitis-idaea l.) with the commercially cultivated large cranberry (vaccinium macrocarpon ait.) indigenous to the east coast of north america. v. oxycoccos and v. macrocarpon contained the ... | 2012 | 22337317 |
| small genetic differences between ericoid mycorrhizal fungi affect nitrogen uptake by vaccinium. | ericoid mycorrhizal fungi have been shown to differ in their pattern of nitrogen (n) use in pure culture. here, we investigate whether this functional variation is maintained in symbiosis using three ascomycetes from a clade not previously shown to include ericoid mycorrhizal taxa. vaccinium macrocarpon and vaccinium vitis-idaea were inoculated with three fungal strains known to form coils in vaccinium roots, which differed in their patterns of n use in liquid culture. (15)n was used to trace th ... | 2009 | 19021867 |
| phytochemical properties and antioxidant activities of extracts from wild blueberries and lingonberries. | among vaccinium species, blueberries (vaccinium myrtillus l.) and lingonberries (vaccinium vitis-idaea) are popular in the human diet. in this study, total phenolic, total flavonoid and total monomeric anthocyanin contents in the ethanol-water extracts of blueberry and lingonberry fruits grown wild in the forests in the central region of poland were assayed. antioxidant activities of the extracts from each plant were also evaluated for scavenging ability on 1,1-diphenyl-2-picrylhydrazyl (dpph) r ... | 2017 | 29134464 |
| bioaccumulation of heavy metals and ecophysiological responses to heavy metal stress in selected populations of vaccinium myrtillus l. and vaccinium vitis-idaea l. | the aim of this study was to determine the concentrations of heavy metals (cd, pb, zn, fe, and mn) in soil, and their bioavailability and bioaccumulation in vaccinium myrtillus l. and vaccinium vitis-idaea l. organs. analysis also concerned the physiological responses of these plants from three polluted sites (immediate vicinity of a zinc smelter in miasteczko śląskie, arcelormittal poland s.a. iron smelter in dąbrowa górnicza-łosień, and jaworzno iii power plant in jaworzno) and one pseudo-cont ... | 2017 | 28624857 |
| dwarf shrub hydraulics: two vaccinium species (vaccinium myrtillus, vaccinium vitis-idaea) of the european alps compared. | vaccinium myrtillus and vaccinium vitis-idaea are two dwarf shrubs widespread in the european alps. we studied the hydraulics of these species hypothesizing that (1) the hydraulic architecture of dwarf shrubs differs from trees, (2) hydraulic properties reflect the species' ecological amplitude and (3) hydraulic properties vary spatially and seasonally. key hydraulic parameters (osmotic potential, turgor loss point, xylem hydraulic conductivity, vulnerability to drought-induced embolism, stomata ... | 2015 | 25677081 |
| characterization of metabolite profiles of leaves of bilberry (vaccinium myrtillus l.) and lingonberry (vaccinium vitis-idaea l.). | leaves of bilberry (vaccinium myrtillus l.) and lingonberry (vaccinium vitis-idaea l.) are potential raw materials for food and health care products. targeted (hplc-dad, hplc-ms, and gc-fid) and nontargeted ((1)h nmr) approaches were applied to study the metabolomic profiles of these leaves. chlorogenic acid was the major phenolic compound in bilberry leaves and arbutin in lingonberry leaves. flavonol glycosides were another major group of phenolics in bilberry [5-28 mg/g dm (dry mass)] and ling ... | 2014 | 25408277 |
| nitrogen-addition effects on leaf traits and photosynthetic carbon gain of boreal forest understory shrubs. | boreal coniferous forests are characterized by fairly open canopies where understory vegetation is an important component of ecosystem c and n cycling. we used an ecophysiological approach to study the effects of n additions on uptake and partitioning of c and n in two dominant understory shrubs: deciduous vaccinium myrtillus in a picea abies stand and evergreen vaccinium vitis-idaea in a pinus sylvestris stand in northern sweden. n was added to these stands for 16 and 8 years, respectively, at ... | 2014 | 24705693 |
| protective effects of bilberry and lingonberry extracts against blue light-emitting diode light-induced retinal photoreceptor cell damage in vitro. | blue light is a high-energy or short-wavelength visible light, which induces retinal diseases such as age-related macular degeneration and retinitis pigmentosa. bilberry (vaccinium myrtillus l.) and lingonberry (vaccinium vitis-idaea) contain high amounts of polyphenols (anthocyanins, resveratrol, and proanthocyanidins) and thus confer health benefits. this study aimed to determine the protective effects and mechanism of action of bilberry extract (b-ext) and lingonberry extract (l-ext) and thei ... | 2014 | 24690313 |
| phenolic distribution in liquid preparations of vaccinium myrtillus l. and vaccinium vitis idaea l. | liquid preparations such as tinctures and 'bud extracts' of bilberry and lingonberry are typical products used in some european countries but they have not been widely studied to date. | 2013 | 23868799 |
| impacts of winter icing events on the growth, phenology and physiology of sub-arctic dwarf shrubs. | the arctic is experiencing the greatest climate change in winter, including increases in freeze-thaw cycles that can result in ice encasement of vegetation. ice encasement can expose plants to hypoxia and greater temperature extremes, but currently the impacts of icing on plants in the field remain little understood. with this in mind, a unique field manipulation experiment was established in heathland in northern sweden with ice encasement simulated in early march 2008, 2009 and 2010 until natu ... | 2012 | 22568724 |
| phenolic compounds in berries and flowers of a natural hybrid between bilberry and lingonberry (vaccinium × intermedium ruthe). | hybridization between species plays an important role in the evolution of secondary metabolites and in the formation of combinations of existing secondary metabolites in plants. we have investigated the content of phenolic compounds in berries and flowers of vaccinium×intermedium ruthe, which is a rare natural hybrid between bilberry (vaccinium myrtillus l.) and lingonberry (vaccinium vitis-idaea l.). the berries and flowers of the hybrid showed characteristics inherited from both parent species ... | 2011 | 21382629 |
| impacts of extreme winter warming events on plant physiology in a sub-arctic heath community. | insulation provided by snow cover and tolerance of freezing by physiological acclimation allows arctic plants to survive cold winter temperatures. however, both the protection mechanisms may be lost with winter climate change, especially during extreme winter warming events where loss of snow cover from snow melt results in exposure of plants to warm temperatures and then returning extreme cold in the absence of insulating snow. these events cause considerable damage to arctic plants, but physio ... | 2010 | 20497369 |
| identification of phenolic compounds from lingonberry (vaccinium vitis-idaea l.), bilberry (vaccinium myrtillus l.) and hybrid bilberry (vaccinium x intermedium ruthe l.) leaves. | phenolic compounds from leaves of lingonberry (vaccinium vitis-idaea l.), bilberry (vaccinium myrtillus l.), and the natural hybrid of bilberry and lingonberry (vaccinium x intermedium ruthe l., hybrid bilberry) were identified using lc/tof-ms and lc/ms/ms after extraction from the plant material in methanol in an ultrasonicator. the phenolic profiles in the plants were compared using the lc/tof-ms responses. this is the first thorough report of phenolic compounds in hybrid bilberry. in total, 5 ... | 2009 | 19788243 |
| contrasting strategies for uv-b screening in sub-arctic dwarf shrubs. | the content and distribution of uv-absorbing phenolic compounds was investigated in leaves of three species of vaccinium co-existing at a site in north sweden. vaccinium myrtillus l., vaccinium vitis-idaea l., and vaccinium uliginosum l. exhibit markedly different strategies, in terms of localization and content of leaf phenolics and in their responses to uv-b enhancement. plants were exposed to either ambient radiation or to enhancement of uv-b corresponding to 15% (clear sky) depletion of stra ... | 2003 | 12803622 |
| effect of industrial pollution on soil-to-plant transfer of plutonium in a boreal forest. | plutonium in a forest ecosystem was studied at different distances from the copper and nickel smelter at monchegorsk, kola peninsula, russia. soil and plant samples were collected 7 (site a), 16 (b), 21 (c) and 28 (d) km from the smelter and at a reference site situated in finland, 152 km from monchegorsk. the deposition of cu in litter and in the organic layer decreased from 10700 mg/m2 at site a to 33 mg/m2 at the reference site, the deposition of ni from 14300 to 29 mg/m2. from the reference ... | 2001 | 11669264 |
| leaf habit influences nitrogen remobilization in vaccinium species. | the effect of n supply on plant growth and leaf demography of a deciduous and an evergreen ericaceae was studied in relation to their internal cycling of n. mature ramets of vaccinium myrtillus (deciduous) and vaccinium vitis-idaea (evergreen) were established in sand culture for 1 year with an adequate supply of a balanced nutrient solution. during one growing season, the plants were given two levels of n supply enriched with 15n and eight sequential destructive harvests were taken. recovery of ... | 2001 | 11432916 |
| phenolic acids in leaves of arctostaphylos uva ursi l., vaccinium vitis idaea l. and vaccinium myrtillus l. | | 1991 | 1798740 |
| [contents of manganese and vitamin c in the fruits of bilberriers and red berries (vaccinium myrtillus l.) and red berries (vaccinium vitis-idaea l.) growing in highly industrialized areas]. | | 1978 | 694360 |
| [on the occurrence of salidroside in the leaves of the red whortleberry (vaccinium vitis-idaea l.)]. | | 1966 | 5987586 |
| [wormicide activity of extracts from the dry fruit of black bilberries (vaccinium myrtillus l.), red bilberries (vaccinium vitis idaea l.) and marsh cranberries (oxycoccus quadripetalus gilib.) on (enchytraeus albidus)]. | | 1961 | 13765813 |
| characterisation of antimicrobial properties of extracts of selected medicinal plants. | the scope of the experiments included analysis of the antimicrobial activity of ethanolic, methanolic and aqueous extracts against bacterial and fungal cultures and determination of the minimum inhibitory concentration of plant extracts tested microbial growth. analysis of the antifungal and antibacterial activity was carried out by the disc diffusion method using paper discs. in the experiment 11 species of microorganisms - 8 bacterial and 3 fungal strains were used. the highest antimicrobial a ... | 2017 | 29319517 |
| genetic variation associated with healthy traits and environmental conditions in vaccinium vitis-idaea. | lingonberry (vaccinium vitis-idaea l.), one of the least studied fruit crops in the ericaceae family, has a dramatically increased worldwide demand due to its numerous health benefits. genetic markers can facilitate the selection of berries with desirable climatic adaptations, agronomic and nutritious characteristics to improve cultivation programs. however, no genomic resources are available for this species. | 2018 | 29291734 |
| evaluation of bioactive compounds, minerals and antioxidant activity of lingonberry (vaccinium vitis-idaea l.) fruits. | the extraction efficiency of major classes of phenolics from lingonberries grown in the central region of poland was evaluated. the ethanol-water solution (60:40, v/v) resulted in the highest extraction yields; however, the results obtained for ethyl acetate were only slightly lower. total phenolics estimated by folin-ciocalteu assay ranged from 468 to 661 mg of ga/100 g fresh weight (fw), while total flavonoids were in the range of 53.2-67.8 μmol/100 g fw. both solvents exhibited comparable pot ... | 2017 | 29278401 |
| communities of putative ericoid mycorrhizal fungi isolated from alpine dwarf shrubs in japan: effects of host identity and microhabitat. | dwarf shrubs of the family ericaceae are common in arctic and alpine regions. many of these plants are associated with ericoid mycorrhizal (erm) fungi, which allow them to take nutrients and water from the soil under harsh environmental conditions and, thus, affect host plant survival. despite the importance of erm fungi to alpine plant communities, limited information is available on the effects of microhabitat and host identity on erm fungal communities. we investigated the communities of puta ... | 2017 | 28529264 |
| lingonberry anthocyanins protect cardiac cells from oxidative-stress-induced apoptosis. | lingonberry grown in northern manitoba, canada, contains exceptionally high levels of anthocyanins and other polyphenols. previous studies from our lab have shown that lingonberry anthocyanins can protect h9c2 cells from ischemia-reperfusion injury and anthocyanin-rich diets have been shown to be associated with decreased cardiovascular disease and mortality. oxidative stress can impair function and trigger apoptosis in cardiomyocytes. this study investigated the protective effects of physiologi ... | 2017 | 28384410 |
| shrub encroachment in arctic tundra: betula nana effects on above- and belowground litter decomposition. | rapid arctic vegetation change as a result of global warming includes an increase in the cover and biomass of deciduous shrubs. increases in shrub abundance will result in a proportional increase of shrub litter in the litter community, potentially affecting carbon turnover rates in arctic ecosystems. we investigated the effects of leaf and root litter of a deciduous shrub, betula nana, on decomposition, by examining species-specific decomposition patterns, as well as effects of betula litter on ... | 2017 | 28263375 |
| supplementing diet with manitoba lingonberry juice reduces kidney ischemia-reperfusion injury. | lingonberry (vaccinium vitis-idaea l.) contains high levels of anthocyanins which are bioavailable in the kidney and may be protective against ischemia-reperfusion (ir)-induced acute kidney injury. this study investigated the effect of lingonberry juice on the ir-induced stress-activated signalling pathway and inflammatory response in the kidney. | 2017 | 28074603 |
| determination of arbutin in rat plasma using liquid chromatography-tandem mass spectrometry: application to a pharmacokinetic study after oral administration of the extract of vaccinium vitis-idaea. | a rapid and sensitive bioassay based on liquid chromatography-tandem mass spectrometry (lc-ms-ms) has been developed and validated to measure arbutin in rat plasma. sample preparation of plasma after the addition of indapamide as internal standard (is) involved solid-phase extraction (spe) on c18 cartridges. reversed-phase chromatography using acetonitrile and 0.5% formic acid solution (ph 2.56) was used for separation in a run time of 4.0 min. the analytes were detected in the negative ion mode ... | 2016 | 27270416 |
| condensed tannins in extracts from european medicinal plants and herbal products. | medicinal plant materials are not usually analysed for condensed tannins (ct). thirty commercially available european medicinal plants and herbal products were screened for ct and fourteen ct samples were analysed in detail. this is also the first comprehensive ct analysis of pine buds, walnut leaves, heather flowers and great water dock roots. acetone/water extracts contained between 3.2 and 25.9 g ct/100g of extract, had ct with mean degrees of polymerisation of 2.9 to 13.3, procyanidin/prodel ... | 2016 | 26826980 |
| the distribution of cool spots as microrefugia in a mountainous area. | it has recently been proposed that microrefugia played an important role in species survival during past climate change events. however, the current distributions of microrefugia remain largely unknown. wind-hole sites are areas affected by preferential flows of cool air generated in interstitial spaces created by rock fragments or colluvia. alpine plant species occurring in lowland wind-hole sites isolated from alpine zones may be relicts of the last glacial period. hokkaido, northern japan, is ... | 2015 | 26285206 |
| partridgeberry polyphenols protect primary cortical and hippocampal neurons against β-amyloid toxicity. | β-amyloid (aβ) deposition elicits a toxic effect on neurons and plays a crucial role in the etiology and/or progression of alzheimer's disease (ad). polyphenols found in fruits are endorsed for nutritional intervention in ad, since they are known to have extensive therapeutic properties apropos of brain health owing to their anti-oxidative effects against aβ and neural reactive oxygen species (ros). the present study was aimed to investigate the neuroprotective potential of polyphenols of partri ... | 2015 | 28411989 |
| plant phenological responses to a long-term experimental extension of growing season and soil warming in the tussock tundra of alaska. | climate warming is strongly altering the timing of season initiation and season length in the arctic. phenological activities are among the most sensitive plant responses to climate change and have important effects at all levels within the ecosystem. we tested the effects of two experimental treatments, extended growing season via snow removal and extended growing season combined with soil warming, on plant phenology in tussock tundra in alaska from 1995 through 2003. we specifically monitored ... | 2015 | 26183112 |
| effects of non-native melilotus albus on pollination and reproduction in two boreal shrubs. | the establishment of abundantly flowered, highly rewarding non-native plant species is expected to have strong consequences for native plants through altered pollination services, particularly in boreal forest where the flowering season is short and the pollinator pool is small. in 18 boreal forest sites, we added flowering melilotus albus to some sites and left some sites as controls in 2 different years to test if the invasive plant influences the pollination and reproductive success of two co ... | 2015 | 26071209 |
| manitoba lingonberry (vaccinium vitis-idaea) bioactivities in ischemia-reperfusion injury. | evidence for the efficacy of dietary interventions in protecting against cardiovascular disease has grown significantly, with flavonoids and anthocyanins receiving special attention. lingonberry (vaccinium vitis-idaea l.) is a good source of these compounds, and this study examined the protective effects of wild lingonberry found in manitoba, canada, against ischemia-reperfusion (ir) injury. manitoba lingonberry contained 3793 ± 27 mg gallic acid equiv, 120,501 ± 7651 μmol trolox equiv, and 575 ... | 2015 | 26024018 |
| background levels of some major, trace, and rare earth elements in indigenous plant species growing in norway and the influence of soil acidification, soil parent material, and seasonal variation on these levels. | baseline levels of 43 elements, including major, trace, and rare earth elements (rees) in several native plant species growing in boreal and alpine areas, are presented. focus is placed on species metal levels at different soil conditions, temporal variations in plant tissue metal concentrations, and interspecies variation in metal concentrations. vegetation samples were collected at sogndal, a pristine site in western norway, and at risdalsheia, an acidified site in southernmost norway. metal c ... | 2015 | 26022847 |
| partridgeberry polyphenols protect rat primary cortical neurons from oxygen-glucose deprivation-reperfusion-induced injury via suppression of inflammatory adipokines and regulation of hif-1α and pparγ. | the aim of this study was to investigate the neuroprotective ability of partridgeberry polyphenols in rat primary cortical neurons against oxygen-glucose deprivation/reperfusion (ogd/r) injury in vitro and explore the underlying therapeutic mechanism(s). | 2016 | 25941748 |
| persistent history of the bird-dispersed arctic-alpine plant vaccinium vitis-idaea l. (ericaceae) in japan. | arctic-alpine plants have expanded and contracted their ranges in response to the pleistocene climate oscillations. today, many arctic-alpine plants have vast distributions in the circumarctic region as well as marginal, isolated occurrences in high mountains at lower latitudes. these marginal populations may represent relict, long-standing populations that have persisted for several cycles of cold and warm climate during the pleistocene, or recent occurrences that either result from southward s ... | 2015 | 25773306 |